Jobs for data labeler at Ottawa

367 data labeler job listings in Canada. Find daily updated positions from leading job boards.


  • Ottawa, Ontario, Canada Workada Full-time

    At Workada, we're not just labeling data, we're helping improve the technology people use every day. Our work creates the examples and feedback that make advanced systems more accurate, consistent, and useful.What You'll DoEvaluate outputs from AI models, text, images, video, and documents against detailed criteria. Assess quality, spot errors and...


  • Ottawa, ON, Canada Rex.zone Full-time

    Remote Data Labeling Jobs in Canada (Full Time)Rex.zone supports AI/ML training pipelines through data labeling, RLHF evaluation, prompt evaluation, and QA checks. You will apply annotation guidelines compliance to improve training data quality for large language models and computer vision systems.About The RoleYou will label and evaluate text, image, and...


  • Ottawa, ON, Canada Rex.zone Full-time

    Rex.zone is hiring for remote data labeling roles in Canada. You will label and evaluate text, image, and multimodal data used to train ML models, including LLM response grading, RLHF labeling, and content safety assessment.Join a team applying annotation guidelines, documenting edge cases, and performing QA checks to ensure high-quality training data....

  • German Data Labeler

    3 days ago


    Ottawa, ON, Canada Cohere Full-time

    A leading AI firm in Toronto is seeking a part-time Data Annotation Specialist to enhance their Large Language Models. This role requires native proficiency in German and excellent English skills. Responsibilities include labeling, auditing, and correcting data, which significantly impacts model performance. The position offers a competitive rate of 30...

  • Data scientist

    14 hours ago


    Ottawa, Canada Alberta Veterinary Laboratories Ltd Full-time €90,000 - €130,000 Contract

    Overview Palitronica is seeking a Data Scientist who enjoys finding meaningful structure in complex, real-world measurement data. You will work mainly with classical and statistical machine learning, including anomaly and novelty detection, outlier analysis, clustering, classification, and data-quality assessment. You will join an established ML system....

  • Senior Data Scientist

    14 hours ago


    Ottawa, Canada Alberta Veterinary Laboratories Ltd Full-time €110,000 - €170,000 Contract

    Overview Palitronica is seeking a Senior Data Scientist to provide technical leadership for machine learning on complex physical measurement data. Our primary challenges are classical and statistical: anomaly and novelty detection, outlier analysis, clustering, classification, and data-quality assessment. You will join an established ML system with models...


  • Ottawa, Ontario, Canada OCPA Full-time

    Product Testers are wanted to work from home nationwide in the US to fulfill upcoming contracts with national and international companies. We guarantee 15-25 hours per week with an hourly pay of between $25/hr. and $45/hr., depending on the In-Home Usage Test project. No experience required. There is no payment required in order to apply or to work as...

  • Data Analytics Engineer Premium

    2 days ago


    Ottawa, Ontario, Canada Canadian Bank Note Company Remote Full-time

    Company DescriptionCanadian Bank Note Company (CBN) is a leader and trusted provider of secure document and adjacent enterprise-level system solutions across the following domains: border security, civil identity, driver licence/identification and vehicle information, excise control, currency, lotteries and charitable gaming.Our Corporate Philosophy and 7...


  • Ottawa, ON, Canada Reboot Monkey Full-time

    About The Role We are seeking an experienced Data Center Technician for freelance/contract work in Ottawa, Canada. This is an on‑site position supporting mission‑critical infrastructure at premier data center facilities. Compensation C$26-36/hr (CAD hourly). Rates vary based on experience level and project complexity. Emergency and after‑hours work may...


  • Ottawa, ON, Canada Cohere Full-time

    Enhance AI learning capabilities at Cohere as a Part-Time Data Annotation Specialist, focusing on German writing and translation. This remote independent contractor role requires a commitment of at least 16 hours weekly at a rate of 30 CAD/hour. In this impactful position, you will improve the performance of Large Language Models by meticulously labeling...


  • Ottawa, Ontario, Canada OCPA Full-time

    Product Testers are wanted to work from home nationwide in the US to fulfill upcoming contracts with national and international companies. We guarantee 15-25 hours per week with an hourly pay of between $25/hr. and $45/hr., depending on the In-Home Usage Test project. No experience required. There is no payment required in order to apply or to work as...


  • Ottawa, Ontario, Canada Crossing Hurdles Full-time

    Join to apply for the Data Scientist | $120/hr Remote role at Crossing Hurdles.Direct message the job poster from Crossing Hurdles.Base pay range$100.00/hr - $120.00/hrPosition DetailsPosition: Data ScientistReferral Partner: Crossing HurdlesType: Hourly contractCompensation: $100-$120 per hourLocation: RemoteDuration: 3–4 weeksCommitment: 10‐40...


  • Ottawa, ON, Canada Rex.zone Full-time

    Enhance machine learning models as an Online Generalist. Work from Canada on essential data tasks including labeling, evaluation, and quality assurance in a remote setting. This position involves performing diverse online tasks essential for training AI models, particularly in NLP and computer vision. Responsibilities include executing data labeling,...


  • Ottawa, Ontario, Canada Cohere Full-time

    Who are we?Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI...

  • System Administrator Premium

    2 days ago


    Ottawa, Ottawa, Canada MGIS Full-time

    About the role We are seeking System Administrators to join a specialist IT team supporting a federal government client in Ottawa. The team owns and operates a complex Data Centre and distributed IT infrastructure used for the acquisition, production, management, and distribution of geospatial data and products in support of federal operations....


  • Ottawa, ON, Canada TransPerfect Full-time

    Join to apply for the English Language Data Annotator (British Columbia, remote) role at TransPerfect Work Location: British Columbia; remote Work Schedule: Full-time (40 hours/week), Monday – Friday; business hours Engagement Model: Employment; fixed term/temporary Start Date: Immediate Project duration: Until September 2025 DataForce by TransPerfect is...


  • Ottawa, Ontario, Canada aitrainer Full-time

    Cohere is a leading security-first enterprise AI company seeking a Data Annotation Specialist in Canada for a part-time contractor role. You will review coding tasks, debug code, navigate repository architecture, and analyze model trajectories to support our AI development efforts.Responsibilities include labeling and improving outputs, prompting models for...


  • Ottawa, Ontario, Canada OpenTrain AI Full-time

    About OpenTrainOpenTrain is the #1 platform for finding and building careers in AI training and data labeling. OpenTrain AI is hiring and contracting for this role, helping qualified specialists apply their expertise to projects that shape how advanced AI systems are built.Creating an OpenTrain account is free. You can build a profile that reflects your...


  • Ottawa, Ontario, Canada aitrainer Full-time

    Who are we?Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.We're training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Jobgether Full-time €160,000 - €182,000 Temporary

    This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal Data Scientist based in Canada. This is a senior technical leadership opportunity focused on developing advanced AI models for digital pathology and oncology. You will help shape the next generation of diagnostic...